A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=

Use the zero product property to find the solutions to the equation (x+2)(x+3)=12